add another zipAll test
add another zipAll test

jayphelps/rxjs,saneyuki/RxJS,sitexa/RxJS,martinsik/rxjs,SangKa/RxJS-Docs-CN,SekibOmazic/RxJS,elliotschi/rxjs,ReactiveX/rxjs,Amirus/RxJS-1,kwonoj/RxJS,RxJS-CN/RxJS-Docs-CN,Brocco/RxJS,Brocco/RxJS,luisgabriel/RxJS,RxJS-CN/RxJS-Docs-CN,justinwoo/RxJS,IgorMinar/RxJS,figueredo/RxJS,jaawerth/RxJS-1,ReactiveX/RxJS,adrianomelo/RxJSNext,jeremymwells/RxJS,SangKa/RxJS-Docs-CN,pselle/RxJS,gjungb/RxJS,Igorbek/rxjs5,sitexa/RxJS,jadbox/RxJS,Amirus/RxJS-1,Igorbek/rxjs5,jeremymwells/RxJS,mattpodwysocki/RxJS,jaawerth/RxJS-1,QuinntyneBrown/RxJS,justinwoo/RxJS,gjungb/RxJS,adrianomelo/RxJSNext,jeremymwells/RxJS,luisgabriel/RxJS,Drooids/RxJS,saneyuki/RxJS,kwonoj/RxJS,Brocco/RxJS,jadbox/RxJS,ReactiveX/RxJS,staltz/RxJSNext,kwonoj/RxJS,QuinntyneBrown/RxJS,elliotschi/rxjs,SangKa/RxJS-Docs-CN,benlesh/RxJS,smaye81/RxJS,adrianomelo/RxJS-1,robwormald/RxJS,sitexa/RxJS,trxcllnt/RxJS,figueredo/RxJS,gluck/RxJS,adrianomelo/RxJSNext,jadbox/RxJS,jayphelps/rxjs,martinsik/rxjs,jinroh/RxJS,trxcllnt/RxJS,SekibOmazic/RxJS,benlesh/RxJS,SekibOmazic/RxJS,staltz/RxJSNext,jayphelps/rxjs,figueredo/RxJS,robwormald/RxJS,benlesh/RxJS,kwonoj/RxJS,Amirus/RxJS-1,ReactiveX/RxJS,elliotschi/rxjs,staltz/RxJSNext,mattpodwysocki/RxJS,jinroh/RxJS,jinroh/RxJS,trxcllnt/RxJS,jaawerth/RxJS-1,adrianomelo/RxJS-1,Drooids/RxJS,gjungb/RxJS,adrianomelo/RxJS-1,robwormald/RxJS,SangKa/RxJS-Docs-CN,smaye81/RxJS,mattpodwysocki/RxJS,justinwoo/RxJS,IgorMinar/RxJS,martinsik/rxjs,RxJS-CN/RxJS-Docs-CN,luisgabriel/RxJS,jadbox/RxJS,smaye81/RxJS,benlesh/RxJS,gluck/RxJS,luisgabriel/RxJS,mattpodwysocki/RxJS,Brocco/RxJS,robwormald/RxJS,jaawerth/RxJS-1,figueredo/RxJS,sitexa/RxJS,jayphelps/rxjs,jayphelps/rxjs,elliotschi/rxjs,martinsik/rxjs,gluck/RxJS,ReactiveX/rxjs,Igorbek/rxjs5,ReactiveX/rxjs,gluck/RxJS,trxcllnt/RxJS,pselle/RxJS,gjungb/RxJS,justinwoo/RxJS,Igorbek/rxjs5,jinroh/RxJS,adrianomelo/RxJS-1,QuinntyneBrown/RxJS,staltz/RxJSNext,Drooids/RxJS,RxJS-CN/RxJS-Docs-CN,ReactiveX/RxJS,pselle/RxJS,ReactiveX/rxjs,adrianomelo/RxJSNext